Sony IER-EX15C
A direct USB-C connection and serrated, tangle-resistant cable provide simple, wide compatibility with modern phones and laptops. The compact housings include an in-line remote with volume controls and a mic, while four color options add a degree of personalization. These wired earbuds are best for users needing an affordable, no-battery headset for clear voice calls and casual listening on USB-C devices.
Snapshot
The 30-Second Version
The Sony IER-EX15C is a cheap, wired USB-C workhorse that skips the battery anxiety entirely. Sound quality is its biggest weakness, but the comfort, mic clarity, and dead-simple setup make it a fantastic backup or daily driver for calls and podcasts. If you need something reliable for under $20, this is it.
Pros & Cons
Pros
- Plug-and-play USB-C means zero battery anxiety, ever. 92nd
- Shockingly comfortable and lightweight for all-day wear. 74th
- Inline remote and mic work flawlessly for calls and voice assistants. 67th
- A legit great value backup pair for under $20.
Cons
- Sound quality is bassy but muddy, one of the weakest we've seen.
- The cable still tangles despite the textured design.
- No active noise cancellation, just basic passive isolation.
- Hogs your phone's only USB-C port while you listen.
What owners think
The Word on the Street
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 8 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Let's be real, the sound here isn't going to blow anyone away. Our database puts it near the bottom of the pack for pure audio quality, and that tracks. The 5mm driver pushes a bass-heavy, fun sound that's totally fine for podcasts and casual playlists, but it lacks the detail and clarity you'd get from something like a Soundcore P20i. The real win is the mic and call quality, which is solid for the price, and the passive noise isolation does a decent job of blocking out a noisy bus or coffee shop hum.
Specifications
Full Specifications
Design
| Form Factor | in-ear |
| Wearing Style | in-ear |
| Ear Tips | XS, S, M, L, XL |
| Weight | 0.1 kg / 0.1 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 5 |
| Codecs | Sony IER-EX15C USB-C Plug, Wired in-Ear Headphones for iPhone and Android Phones, with Built-in Multi-Function Button, Volume and Mic Control, Black (Renewed) (Renewed) |
Noise Control
| ANC | No |
Connectivity
| Wireless | No |
Earbud Battery
| Charging | USB-C |
Case Battery
| Case Charging | USB-C |
Microphone
| Microphone | Yes |
Features
| Voice Assistant | ✓ |
| Touch Controls | No |
| Bone Conduction | No |
vs Competition
Stacked against the Baseus Bass BP1 Pro or the Soundcore P20i, the Sony gets absolutely smoked on sound quality and features like ANC. But those are all wireless buds that need charging. The IER-EX15C's real competition is other wired USB-C options, and it holds its own with better comfort and a more reliable inline mic than most no-name brands. If you can live without noise canceling and don't mind a cable, it's a smarter buy than a sketchy gas station pair.
| Spec | Sony IER-EX15C | Technics EAH-AZ100 EAH-AZ100-K | Samsung Galaxy Buds3 Pro | Bose QuietComfort Ultra 896637-0010 | Apple AirPods Pro 3 | Soundcore P31i |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Bluetooth Version | - | 5.3 | 5.4 | 5.3 | 5.3 | 6.0 |
| Battery Life Hours | - | 8 | 6 | 6 | 8 | 10 |
| Case Battery Hours | - | 28 | 26 | 18 | 24 | 50 |
| Water Resistance | - | IPX4 | IP57 | IPX4 | IP57 | IP55 |
| Multipoint | - | true | true | true | true | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Sony IER-EX15C | 31.8 | 44 | 35 | 4.4 | 48.7 | 73.8 | 92 | 27.1 | 66.7 |
| Technics EAH-AZ100 EAH-AZ100-K Compare | 97.4 | 97.5 | 81.4 | 99.1 | 82 | 73.8 | 92 | 99.2 | 81.4 |
| Samsung Galaxy Buds3 Pro Compare | 97.4 | 97.5 | 98.9 | 93.5 | 76.9 | 94.7 | 79.9 | 99.7 | 90.3 |
| Bose QuietComfort Ultra 896637-0010 Compare | 97.4 | 91.9 | 81.4 | 97 | 48.7 | 94.7 | 92 | 98.1 | 90.3 |
| Apple AirPods Pro 3 Compare | 97.4 | 83.9 | 98.9 | 91.5 | 79.2 | 94.7 | 31.7 | 99.7 | 99.4 |
| Soundcore P31i Compare | 90.6 | 97.5 | 91.9 | 97.4 | 94.2 | 73.8 | 97.2 | 87.5 | 90.3 |
Price
Value & Pricing
For the price of a couple of coffees, the value here is hard to argue with. You're not paying for premium sound, you're paying for dead-simple reliability. It's a perfect emergency pair to leave in your bag or a daily driver for anyone who hates charging yet another gadget. Just don't expect it to compete with anything in the $50+ range.
Read more
Overview
The Sony IER-EX15C is basically the antidote to dead batteries and Bluetooth pairing headaches. It's a simple, wired USB-C earbud that plugs right into your phone or laptop and just works. No app, no charging case, no fuss. For under $30, you get a lightweight design, a built-in mic, and inline controls that handle calls and music without you ever looking at your screen.
Common Questions
Q: Do these work with iPhone 15 or newer iPads?
Yes, they work with any device that has a USB-C port and supports USB Audio Class 1.0, which includes modern iPhones, iPads, and most Android phones.
Q: Can I use these for gaming or watching movies?
You can, and the wired connection means zero audio lag, which is great for gaming. Just don't expect an immersive, cinematic soundstage from the small 5mm drivers.
Q: How good is the microphone for Zoom calls?
The built-in mic is actually a strong point. It picks up voices clearly and the inline mute button is handy, making it a solid choice for work calls in a quiet environment.
Who Should Skip This
If you care even a little bit about music sounding good, skip these. The audio quality is one of the worst we've seen, so anyone who wants to enjoy their playlist with any detail or clarity should look at the Soundcore P20i or even a cheap pair of IEMs instead.
Verdict
This is the wired earbud for people who are done with Bluetooth drama. If you just need to take calls, listen to podcasts, and not worry about battery life, the IER-EX15C is a no-brainer. Audiophiles should run the other way, but for everyone else, it's a cheap and cheerful workhorse.
